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Chiu, Yi-Fang; Neel, Amy; Loux, Travis – Journal of Speech, Language, and Hearing Research, 2021
Purpose: Auditory perceptual judgments are commonly used to diagnose dysarthria and assess treatment progress. The purpose of the study was to examine the acoustic underpinnings of perceptual speech abnormalities in individuals with Parkinson's disease (PD). Method: Auditory perceptual judgments were obtained from sentences produced by 13 speakers…
Descriptors: Diseases, Articulation (Speech), Speech Communication, Acoustics
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Chiu, Yi-Fang; Forrest, Karen – Journal of Speech, Language, and Hearing Research, 2018
Purpose: This study investigated the impact of lexical characteristics on the intelligibility of speakers with Parkinson's disease (PD). Intelligibility was compared for listening in a quiet versus a noisy environment. Method: A total of 192 young listeners participated in the study, with 96 listeners listening in quiet and 96 listening in noise…
Descriptors: Diseases, Comparative Analysis, Speech Communication, Acoustics